ffs_alloccgblk
bno = ffs_alloccgblk(ip, bp, bpref);
bno = ffs_alloccgblk(ip, bp, bpref);
if ((got = ffs_alloccgblk(ip, bp, bno + i)) != bno + i)
ffs_alloccgblk (struct inode *, struct buf *, ufs_daddr_t);
bno = ffs_alloccgblk(ip, bp, bpref);
bno = ffs_alloccgblk(ip, bp, bpref);
static makefs_daddr_t ffs_alloccgblk(struct inode *, struct m_buf *, makefs_daddr_t);